The RackSolutions Sliding Rack Mount Shelves are an ideal solution for environments where servers, computers and other equipment needs to be stored on a sturdy shelf that can be slid forward for easy access during operation. The Sliding Rack Mount Shelves are compatible with square, threaded and round hole-based server racks, and feature an extension reach of 29". The shelf itself is 28" deep, allowing users to safely store computers and other equipment.